#include"processbar.h"
#include<time.h>
#include<stdio.h>
#include<unistd.h>

#define FILESIZE 1024*1024*1024
//模拟一种场景，表示一种下载的任务
void download(callback_t cb)
{
    srand(time(NULL)^1023);
    int total=FILESIZE;
    while(total)
    {
        usleep(10000);    //下载动作
        int one = rand()%(1024*1024*10);
        total-=one;
        if(total<0)
        {
            total=0;
        }
        int download=FILESIZE-total;
        double rate=(download*1.0/(FILESIZE))*100.0;  //0 23.4   45.6  67.5
        cb(rate);
    }
}
int main()
{
  // process();
   download(process_flush);
    return 0;
}
